Who am I? Dr. Jens Barthel
Dear visitor, our website is currently undergoing construction work.
Hence several pages of our website, such as this one, do not contain any information yet.
We apologise and thank you for your understanding. We will post all missing information as
soon as possible.
If you have any questions about our products or services, or any other requests, please do not
hesitate to use our contact form.
We will get back to you as soon as possible. Or just give us a call!